blazer keeps shutting off on 1994 Chevrolet Blazer

new fuel pump n filter , tranny, fly wheel, water pump , radi, cata converter, computer,spider(fuel inject-hoses)much more,its not over heating but when temp reaches normal 1/2 on gage it starts to bogg n when i give it more gas it turns off n will not start for 4 to 5 hrs , it runs great in drive way can leave on for an hr or more runs great but to drive it will turn off can any one help....? 2 mach shops n dealer can not find problem diag at dealer said it was ign-mod they replaced but still did same thing

Asked by for the 1994 Chevrolet Blazer
1 answer
drive veh with fuel pressure gauge to ck for loss of fuel pressure also with scanner and watch live data.